William Mackay or MacKay may refer to:
- William Mackay (artist) (1876–1939), American artist
- William Andrew MacKay (1929–2013), Canadian lawyer, judge and university president
- William Paton Mackay (1839–1885), Scottish doctor, Presbyterian minister and hymn writer
- William MacKay (politician) (1847–1915), physician and political figure in Nova Scotia
- William Alexander Mackay (1860–1927), Scottish doctor who co-founded Spain's oldest football club, Recreativo de Huelva
- William John MacKay, Ontario politician
See also
Topics referred to by the same termThis disambiguation page lists articles about people with the same name. If an internal link led you here, you may wish to change the link to point directly to the intended article. Category: